Home / 12,003,619.50-18,005,475.42-2,905,702.20

Finding the Fourth Proportional to 12,003,619.50, 18,005,475.42 and 2,905,702.20

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Solution

The fourth proportional to 12,003,619.50, 18,005,475.42 and 2,905,702.20 is: 4,358,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,619.50 : 18,005,475.42 = 2,905,702.20 : x
  2. Step 2: Convert to fraction form
    12,003,619.50/18,005,475.42 = 2,905,702.20/x
  3. Step 3: Cross multiply
    12,003,619.50x = 18,005,475.42 × 2,905,702.20
  4. Step 4: Simplify right side
    12,003,619.50x = 52,318,549,539,939.93
  5. Step 5: Solve for x
    x = 52,318,549,539,939.93/12,003,619.50
  6. Step 6: Final answer
    x = 4,358,564.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.